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It’s All the Cheese that Gave Them the Bad Blood Vessels

Using human embryonic stem cells researchers, led by Robert Lanza of Advanced Cell Technology, re-grew damaged mouse and rat blood vessels. Reporting in this week’s online early edition of Nature Methods, Lanza and his colleagues say they used hES cells to generate, in serum-free conditions, a population of cells with both hematopoietic and vascular potential.

The Scan

Fertility Fraud Found

Consumer genetic testing has uncovered cases of fertility fraud that are leading to lawsuits, according to USA Today.

Ties Between Vigorous Exercise, ALS in Genetically At-Risk People

Regular strenuous exercise could contribute to motor neuron disease development among those already at genetic risk, Sky News reports.

Test Warning

The Guardian writes that the US regulators have warned against using a rapid COVID-19 test that is a key part of mass testing in the UK.

Science Papers Examine Feedback Mechanism Affecting Xist, Continuous Health Monitoring for Precision Medicine

In Science this week: analysis of cis confinement of the X-inactive specific transcript, and more.